diff --git a/pkgs/tools/security/snow/default.nix b/pkgs/tools/security/snow/default.nix
new file mode 100644
index 00000000000..db52d853b7a
--- /dev/null
+++ b/pkgs/tools/security/snow/default.nix
@@ -0,0 +1,25 @@
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "snow";
+  version = "20130616";
+
+  src = fetchurl {
+    url = "https://web.archive.org/web/20200304125913if_/http://darkside.com.au/snow/snow-${version}.tar.gz";
+    sha256 = "0r9q45y55z4i0askkxmxrx0jr1620ypd870vz0hx2a6n9skimdy0";
+  };
+
+  makeFlags = [ "CFLAGS=-O2" ];
+
+  installPhase = ''
+    install -Dm755 snow -t $out/bin
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Conceal messages in ASCII text by appending whitespace to the end of lines";
+    homepage = "http://www.darkside.com.au/snow/";
+    license = licenses.apsl20;
+    maintainers = with maintainers; [ siraben ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 4cf1df68cf4..fdda0b45e02 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15834,6 +15834,8 @@ in
 
   snappy = callPackage ../development/libraries/snappy { };
 
+  snow = callPackage ../tools/security/snow { };
+
   soapyairspy = callPackage ../applications/radio/soapyairspy { };
 
   soapybladerf = callPackage ../applications/radio/soapybladerf { };